n = int(input())
L = list(map(int, input().split()))
L.sort()
ans = 0

for i in range(n):
    for j in range(i+1, n):
        for k in range(j+1, n):
            if len(list(set([L[i], L[j], L[k]]))) < 3:
                continue
            if L[i] + L[j] <= L[k]:
                continue
            ans += 1
print(ans) n = int(input()) n int(input()) int input() input L = list(map(int, input().split())) L list(map(int, input().split())) list map(int, input().split()) map int input().split() ().split () input split L.sort() L.sort L sort ans = 0 ans 0 for i in range(n):
    for j in range(i+1, n):
        for k in range(j+1, n):
            if len(list(set([L[i], L[j], L[k]]))) < 3:
                continue
            if L[i] + L[j] <= L[k]:
                continue
            ans += 1 i range(n) range n for j in range(i+1, n):
        for k in range(j+1, n):
            if len(list(set([L[i], L[j], L[k]]))) < 3:
                continue
            if L[i] + L[j] <= L[k]:
                continue
            ans += 1 j range(i+1, n) range i+1 i 1 n for k in range(j+1, n):
            if len(list(set([L[i], L[j], L[k]]))) < 3:
                continue
            if L[i] + L[j] <= L[k]:
                continue
            ans += 1 k range(j+1, n) range j+1 j 1 n if len(list(set([L[i], L[j], L[k]]))) < 3:
                continue
             len(list(set([L[i], L[j], L[k]]))) < 3 len(list(set([L[i], L[j], L[k]]))) len list(set([L[i], L[j], L[k]])) list set([L[i], L[j], L[k]]) set [L[i], L[j], L[k]] L[i] L i L[j] L j L[k] L k 3 continue if L[i] + L[j] <= L[k]:
                continue
             L[i] + L[j] <= L[k] L[i] + L[j] L[i] L i L[j] L j L[k] L k continue ans += 1 ans 1 print(ans) print ans L = list(map(int, input().split())) list(map(int, input().split())) L n = int(input()) int(input()) n ans = 0 0 ans ans += 1 1 ans
n = int(input())
L = list(map(int, input().split()))
L.sort()
ans = 0

for i in range(n):
    for j in range(i+1, n):
        for k in range(j+1, n):
            if len(list(set([L[i], L[j], L[k]]))) < 3:
                continue
            if L[i] + L[j] <= L[k]:
                continue
            ans += 1
print(ans)
